Crucible



FIG. 1 is a perspective view of the crucible of my invention;

FIG. 2 is a top plan view of the crucible shown in FIG. 1;

FIG. 3 is a bottom plan view of the crucible shown in FIG. 1; and,

FIG. 4 is a side elevational view of the crucible, it being understood that it is symmetrical. 

CLAIM The ornamental design for a crucible, as shown and described. 